nethack-gwaa-kiwi/nethack
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plug montraits() memory leek

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If a corpse with a revive timer included obj->oextra->omonst for
remembering the original monster (I think all corpses do these days)
and makemon() failed to create a new monster when the timer expired,
the copy of the original wasn't freed.  makemon() will fail if there
is no room for the monster.
This commit is contained in:
PatR
2019-06-04 14:54:58 -07:00
parent 25f1cc38e9
commit 05a0d10097
2 changed files with 10 additions and 8 deletions
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15
src/zap.c
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@@ -1,4 +1,4 @@
/* NetHack 3.6 zap.c $NHDT-Date: 1559675618 2019/06/04 19:13:38 $ $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.309 $ */
/* NetHack 3.6 zap.c $NHDT-Date: 1559685281 2019/06/04 21:54:41 $ $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.310 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Robert Patrick Rankin, 2013. */
/* NetHack may be freely redistributed. See license for details. */
@@ -584,11 +584,8 @@ struct obj *obj;
coord *cc;
boolean adjacentok; /* False: at obj's spot only, True: nearby is allowed */
{
struct monst *mtmp = (struct monst *) 0;
struct monst *mtmp2 = (struct monst *) 0;
struct monst *mtmp, *mtmp2 = has_omonst(obj) ? get_mtraits(obj, TRUE) : 0;
if (has_omonst(obj))
mtmp2 = get_mtraits(obj, TRUE);
if (mtmp2) {
/* save_mtraits() validated mtmp2->mnum */
mtmp2->data = &mons[mtmp2->mnum];
@@ -597,8 +594,12 @@ boolean adjacentok; /* False: at obj's spot only, True: nearby is allowed */
mtmp = makemon(mtmp2->data, cc->x, cc->y,
(NO_MINVENT | MM_NOWAIT | MM_NOCOUNTBIRTH
| (adjacentok ? MM_ADJACENTOK : 0)));
if (!mtmp)
return mtmp;
if (!mtmp) {
/* mtmp2 is a copy of obj's object->oextra->omonst extension
and is not on the map or on any monst lists */
dealloc_monst(mtmp2);
return (struct monst *) 0;
}
/* heal the monster */
if (mtmp->mhpmax > mtmp2->mhpmax && is_rider(mtmp2->data))